ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Soil Moisture Availability at Early Growth Stages Strongly Affected Root Growth of Bothriochloa ischaemum When Mixed With Lespedeza davurica
Zhi Wang1,2; Weizhou Xu4; Zhifei Chen1; Zhao Jia1; Jin Huang1,2; Zhongming Wen1,2; Yinglong Chen1,2; Bingcheng Xu1,2; Xu, BC (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China.; Xu, BC (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China.; Xu, BC (reprint author), Minist Water Resources, Yangling, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
description.correspondentemailbcxu@ms.iswc.ac.cn
Volume9
AbstractRainfall is the main resource of soil moisture in the semiarid areas, and the altered rainfall pattern would greatly affect plant growth and development. Root morphological traits are critical for plant adaptation to changeable soil moisture. This study aimed to clarify how root morphological traits of Bothriochloa ischaemum (a C-4 herbaceous species) and Lespedeza davurica (a C-3 leguminous species) in response to variable soil moisture in their mixtures. The two species were co-cultivated in pots at seven mixture ratios under three soil water regimes [80% (HW), 60% (MW), and 40% (LW) of soil moisture field capacity (FC)]. At the jointing, flowering, and filling stages of B. ischaemum, the LW and MW treatments were rewatered to MW or HW, respectively. At the end of growth season, root morphological traits of two species were evaluated. Results showed that the root morphological response of B. ischaemum was more sensitive than that of L. davurica under rewatering. The total root length (TRL) and root surface area (RSA) of both species increased as their mixture ratio decreased, which suggested that mixed plantation of the two species would be beneficial for their own root growth. Among all treatments, the increase of root biomass (RB), TRL, and RSA reached the highest levels when soil water content increased from 40 to 80% FC at the jointing stage. Our results implied that species-specific response in root morphological traits to alternated rainfall pattern would greatly affect community structure, and large rainfall occurring at early growth stages would greatly increase their root growth in the semiarid environments.
KeywordRewatering Root Morphology Growth Stage Total Root Length Root Surface Area Mixture Ratio
Subject AreaPlant Sciences
DOI10.3389/fpls.2018.01050
Indexed BySCI
Publication PlaceAVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE, CH-1015, SWITZERLAND
Language英语
WOS IDWOS:000440984400001
PublisherFRONTIERS MEDIA SA
Funding OrganizationNational Key Research and Development Program of China [2016YFC0501703] ; National Key Research and Development Program of China [2016YFC0501703] ; National Natural Science Foundation of China [41701602] ; National Natural Science Foundation of China [41701602] ; Key cultivation project of Chinese Academy of Sciences ; Key cultivation project of Chinese Academy of Sciences
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8195
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorXu, BC (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China.; Xu, BC (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China.; Xu, BC (reprint author), Minist Water Resources, Yangling, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China
3.Minist Water Resources, Yangling, Shaanxi, Peoples R China
4.Yulin Univ, Coll Life Sci, Yulin, Peoples R China
Recommended Citation
GB/T 7714
Zhi Wang,Weizhou Xu,Zhifei Chen,et al. Soil Moisture Availability at Early Growth Stages Strongly Affected Root Growth of Bothriochloa ischaemum When Mixed With Lespedeza davurica[J]. FRONTIERS IN PLANT SCIENCE,2018,9.
APA Zhi Wang.,Weizhou Xu.,Zhifei Chen.,Zhao Jia.,Jin Huang.,...&Xu, BC .(2018).Soil Moisture Availability at Early Growth Stages Strongly Affected Root Growth of Bothriochloa ischaemum When Mixed With Lespedeza davurica.FRONTIERS IN PLANT SCIENCE,9.
MLA Zhi Wang,et al."Soil Moisture Availability at Early Growth Stages Strongly Affected Root Growth of Bothriochloa ischaemum When Mixed With Lespedeza davurica".FRONTIERS IN PLANT SCIENCE 9(2018).
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